org.opengis.temporal.TemporalEdge Maven / Gradle / Ivy

/*
 *    GeoTools - The Open Source Java GIS Toolkit
 *    http://geotools.org
 *
 *    (C) 2011, Open Source Geospatial Foundation (OSGeo)
 *    (C) 2005, Open Geospatial Consortium Inc.
 *
 *    All Rights Reserved. http://www.opengis.org/legal/
 */
package org.opengis.temporal;

import static org.opengis.annotation.Obligation.*;
import static org.opengis.annotation.Specification.*;

import org.opengis.annotation.UML;

/**
 * One-dimensional topological primitive in time.
 *
 * @author Alexander Petkov
 */
@UML(identifier = "TM_Edge", specification = ISO_19108)
public interface TemporalEdge extends TemporalTopologicalPrimitive {
    /** An optional association that links this edge to the corresponding period. */
    @UML(identifier = "Realization", obligation = OPTIONAL, specification = ISO_19108)
    Period getRealization();

    /** Links this edge to the node that is its start. */
    @UML(identifier = "start", obligation = MANDATORY, specification = ISO_19108)
    TemporalNode getStart();

    /** Links this edge to the node that is its end. */
    @UML(identifier = "end", obligation = MANDATORY, specification = ISO_19108)
    TemporalNode getEnd();
}